COLUMBUS, Ohio — A new phone area code “overlay” has been approved for the 440 zone, with officials saying the current code soon will run out of available numbers.

The Arkansas Public Service Commission says customers with the 870 area code should be prepared for 10-digit dialing and the introduction of the new 327 area code.

Area code overlay is the introduction of a new area code to a region. In this case, 457 is being added to the 318 area code ...

Early last year, the PUC adopted the area code overlay, the state’s first. Starting last December, 11-digit dialing was permissible within the 310 area code; as of July 26, it will be mandatory.

Butte County, and the 530 area code as a whole, will be getting a new code starting Jan. 31, 2024. According to an announcement and fact sheet from AT&T, the new 837 area code will be an overlay ...

The 447 area code will be added as an overlay to the region currently served by the area code 217. This is being done to ensure a continuing supply of telephone numbers for the area.

The overlay code is scheduled to go into service May 1, but on Saturday, local callers can begin voluntarily dialing 814 numbers using 10 digits. Ten-digit dialing will become mandatory on April 3.

Under the state's first new area code overlay, virtually all new phone numbers within the 310 territory will be assigned the new 424 area code, starting in August 2006; existing numbers will ...